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26 //////////////////////////////////////////////
27 //
28 // File: G4ITDecay.cc
29 // Author: D.H. Wright (SLAC)
30 // Date: 14 November 2014
31 //
32 //////////////////////////////////////////////
33
34 #include "G4ITDecay.hh"
35 #include "G4IonTable.hh"
36 #include "G4ThreeVector.hh"
37 #include "G4LorentzVector.hh"
38 #include "G4DynamicParticle.hh"
39 #include "G4DecayProducts.hh"
40 #include "G4PhotonEvaporation.hh"
41 #include "G4VAtomDeexcitation.hh"
42 #include "G4AtomicShells.hh"
43 #include "G4Electron.hh"
44 #include "G4LossTableManager.hh"
45 #include "G4Fragment.hh"
46 #include "G4SystemOfUnits.hh"
47 #include "G4PhysicalConstants.hh"
48
49
50 G4ITDecay::G4ITDecay(G4PhotonEvaporation* ptr)
51 : G4NuclearDecay("IT decay", IT, 0.0, noFloa
52 {}
53
54 G4ITDecay::G4ITDecay(const G4ParticleDefinitio
55 const G4double& branch, c
56 const G4double& excitatio
57 : G4NuclearDecay("IT decay", IT, excitationE
58 {
59 SetParent(theParentNucleus); // Store name
60 SetBR(branch);
61 SetNumberOfDaughters(1);
62 SetDaughter(0, theParentNucleus);
63
64 SetupDecay(theParentNucleus);
65 }
66
67 void G4ITDecay::SetupDecay(const G4ParticleDef
68 {
69 theParent = theParentNucleus;
70 parentZ = theParentNucleus->GetAtomicNumber(
71 parentA = theParentNucleus->GetAtomicMass();
72 }
73
74 G4DecayProducts* G4ITDecay::DecayIt(G4double)
75 {
76 // Set up final state
77 // parentParticle is set at rest here becaus
78 // is done later
79 G4LorentzVector atRest(theParent->GetPDGMass
80 G4DynamicParticle parentParticle(theParent,
81 G4DecayProducts* products = new G4DecayProdu
82
83 // Let G4PhotonEvaporation do the decay
84 G4Fragment parentNucleus(parentA, parentZ, a
85
86 // one emission, parent nucleaus become less
87 G4Fragment* eOrGamma = photonEvaporation->Em
88
89 // Modified nuclide is returned as dynDaught
90 auto theIonTable = G4ParticleTable::GetParti
91 G4ParticleDefinition* daughterIon =
92 theIonTable->GetIon(parentZ, parentA, pare
93 G4Ions::FloatLevelBase
94 G4DynamicParticle* dynDaughter = new G4Dynam
95
96
97 if (nullptr != eOrGamma) {
98 G4DynamicParticle* eOrGammaDyn =
99 new G4DynamicParticle(eOrGamma->GetParti
100 eOrGamma->GetMomen
101 eOrGammaDyn->SetProperTime(eOrGamma->GetCr
102 products->PushProducts(eOrGammaDyn);
103 delete eOrGamma;
104
105 // Now do atomic relaxation if e- is emitt
106 if (applyARM) {
107 G4int shellIndex = photonEvaporation->Ge
108 if (shellIndex > -1) {
109 G4VAtomDeexcitation* atomDeex =
110 G4LossTableManager::Instance()->Atom
111 if (atomDeex->IsFluoActive() && parent
112 G4int nShells = G4AtomicShells::GetN
113 if (shellIndex >= nShells) shellInde
114 G4AtomicShellEnumerator as = G4Atomi
115 const G4AtomicShell* shell = atomDee
116 std::vector<G4DynamicParticle*> armP
117
118 // VI, SI
119 // Allows fixing of Bugzilla 1727
120 G4double deexLimit = 0.1*keV;
121 if (G4EmParameters::Instance()->Deex
122 //
123
124 atomDeex->GenerateParticles(&armProd
125
126 G4double productEnergy = 0.;
127 for (G4int i = 0; i < G4int(armProdu
128 productEnergy += armProducts[i]->G
129
130 G4double deficit = shell->BindingEne
131 if (deficit > 0.0) {
132 // Add a dummy electron to make up
133 G4double cosTh = 1.-2.*G4UniformRa
134 G4double sinTh = std::sqrt(1.- cos
135 G4double phi = twopi*G4UniformRand
136
137 G4ThreeVector electronDirection(si
138 si
139 G4DynamicParticle* extra =
140 new G4DynamicParticle(G4Electron
141 deficit);
142 armProducts.push_back(extra);
143 }
144
145 std::size_t nArm = armProducts.size(
146 if (nArm > 0) {
147 G4ThreeVector bst = dynDaughter->G
148 for (std::size_t i = 0; i < nArm;
149 G4DynamicParticle* dp = armProdu
150 G4LorentzVector lv = dp->Get4Mom
151 dp->Set4Momentum(lv);
152 products->PushProducts(dp);
153 }
154 }
155 }
156 }
157 } // if ARM on
158 } // eOrGamma
159
160 products->PushProducts(dynDaughter);
161
162 // Energy conservation check
163 /*
164 G4int newSize = products->entries();
165 G4DynamicParticle* temp = 0;
166 G4double KEsum = 0.0;
167 for (G4int i = 0; i < newSize; i++) {
168 temp = products->operator[](i);
169 KEsum += temp->GetKineticEnergy();
170 }
171 G4double eCons = G4MT_parent->GetPDGMass() -
172 G4cout << " IT check: Ediff (keV) = " << eCo
173 */
174 return products;
175 }
176
177
178 void G4ITDecay::DumpNuclearInfo()
179 {
180 if (theParent != nullptr) {
181 G4cout << " G4ITDecay for parent nucleus "
182 }
183 }
184
185